What kind of award did the dentist receive?
Why this joke works
Two Kinds of Dental Plaque
Dental plaque is the sticky film of bacteria that forms on teeth and must be removed through brushing and professional care. A plaque is also a flat commemorative award bearing a name or inscription. The dentist receives “a little plaque,” which sounds appropriate as recognition until the dental meaning intrudes. The adjective “little” helps both readings: an award can be small, and even a small amount of dental plaque is unwelcome.
A closer look
The Size Word Keeps Both Awards in View
Asking “what kind” suggests a category of honor rather than a physical object. The answer supplies a familiar commemorative item, but “little” makes it sound modest and quietly invokes an unwanted buildup on teeth. A dentist receiving dental plaque would be ironic professional recognition. The one-line answer leaves that irony implicit and lets the shared noun carry the image.
Fact behind the joke
Dental Plaque Is a Bacterial Film
NIDCR describes dental plaque as a sticky film of bacteria that forms on teeth. When bacteria interact with sugars and starches, they can produce acids that attack tooth enamel; regular brushing and flossing help remove plaque. An award plaque is meant for display, while its dental namesake is an ordinary biological buildup that oral care aims to control.